ΔE 5.4, very close: most people won’t see a difference side by side. Light Blue RLM76 is a little darker, warmer than Medium Sea Gray (RAF).
Yes, for most jobs. Very close match (ΔE 5). Light Blue RLM76 is a little darker, warmer than Medium Sea Gray (RAF).
The same difference applies the other way round: Medium Sea Gray (RAF) is a little lighter, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Medium Sea Gray (RAF) on the colour wheel See Light Blue RLM76 on the colour wheel
All matches: Medium Sea Gray (RAF) equivalents · Light Blue RLM76 equivalents